It has to do with command-not-found. The message "You can install it by typing: sudo apt-get install mplayer" in the terminal comes from command-not-found.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/552578 Title: ubuntu, gmplayer not in mplayer package as reported -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs